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US Patent: 256,229
Oil-cup for steam-engines
Patentee: John E. Lonergan (exact or similar names) - Philadelphia, PA USPTO Classifications: 184/45.1, 184/82, 184/86, 184/88.1, 251/322 Tool Categories: industrial tools : tool lubricators : oil cups Assignees: None Manufacturer: J. E. Lonergan Co. - Philadelphia, PA Witnesses: William H. Carson John A. Steward	Patent Dates: Granted: Apr. 11, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for J. E. Lonergan Co.

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